Junior Systems Administrator

Junior Systems Administrator

Build and automate Telnyx’s IT infrastructure.

This Role

We're hiring a Junior Systems Administrator in Denver to manage our offices and sites. The primary focus is ensuring all offices are fully operational, monitored, and maintained. The role also covers general IT support, infrastructure projects, and a shared on-call rotation as part of the IT Operations team. We are an AI-forward company and expect comfort and experience implementing, maintaining, and owning agentic solutions. Time is split between operational support and project work.

Location & Schedule

• Standard Denver (Mountain Time) business hours.
• In the Denver office 3 days per week, with Monday as a required in-office day.
• Occasional travel to other offices or locations globally.
• Shared on-call rotation.

The Opportunity

• Maintain office infrastructure, including WiFi, networking, internet connectivity, conference rooms, and A/V.
• Standardize hardware and configuration across offices.
• Plan and deliver office buildouts and network upgrades.
• Work with vendors on procurement, installs, repairs, and support, including ISPs, carriers, and contractors.
• Coordinate with facilities and building management, including physical access systems.
• Monitor sites and resolve outages.
• Provide employee IT support.
• Manage endpoints, accounts, and access.
• Manage hardware procurement, inventory, and shipping.
• Build, maintain, and own automations and agentic solutions.
• Contribute to IT infrastructure projects.
• Maintain documentation, runbooks, network diagrams, and site records.

Who We’re Looking For

• Experience in IT operations, systems administration, helpdesk, or a similar hands-on role.
• Solid networking fundamentals: wireless, switching, VLANs, DHCP/DNS, VPNs, and firewalls.
• Experience supporting conference rooms and A/V or video conferencing systems.
• Troubleshooting experience across macOS, Windows, and Linux.
• Working knowledge of identity and access management and cloud-based platforms.
• Scripting experience in Python, Bash, or similar.
• Experience implementing and maintaining agentic solutions.
• Clear written and verbal communication with employees and vendors.
• Interest in technology outside of work, such as home labs or side projects.

Bonus Points For

• Managed network platforms (UniFi, Meraki, or similar).
• Office buildouts, structured cabling, or physical infrastructure.
• ISP provisioning, failover connectivity, or site-to-site networking.
• Building integrations with Slack and SaaS APIs.
• Git and CI/CD workflows.
• Endpoint management and zero-touch deployment.
• SSO and provisioning protocols (SAML, SCIM).
• Exposure to security and compliance frameworks.
• Telecom or VoIP experience.

Work Style

• You can make decisions on your own and know when to escalate.
• You take ownership of your sites.
• You automate repetitive work.
• You work closely with the IT and security team and with outside vendors.
• You balance support work and project work.
• You keep learning and take on new challenges.